Real vs 勾配電卓
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Real
Calculate the area of a triangle using Heron's formula with real-time graphical updates. Easily adjust side lengths and view results instantly, making it ideal for on-site construction work. Customize decimal places and rounding methods for precise calculations.
- Heron's formula for triangle area
- Real-time graphical updates
- Intuitive side length adjustment
- Customizable decimal places
- Multiple rounding options
- Ideal for construction sites
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Divide the area of a triangle using Heron's formula. The lengths of the sides can be changed intuitively, and the results are immediately displayed graphically! Eliminates tedious manual calculations during site work. Ideal for construction site support! The lengths of the sides can be changed immediately at the touch of a button, and the calculation results are immediately reflected on the screen. In addition, the actual triangle shape can be checked with the triangle in the center. Optionally, the following can be changed The value that can be raised or lowered at the touch of a button. The number of decimal places to be displayed Toggle decimal point calculation (rounding up, rounding down, rounding off, JIS rounding) This application was created using Unity. Various other updates are planned upon request.
勾配電卓
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建築の設計等における勾配計算を助けるシンプルで使いやすいアプリ。 水平距離・垂直距離または勾配を条件として入力するだけで、瞬時に計算。 勾配は%と1/xに対応。
Screenshots
Verdict
The clearest difference is update cadence: Real at every 11 months against 勾配電卓's every 45 months. Real also leads on iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Real ships an update every 11 months, 勾配電卓 every 45 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Real | 勾配電卓 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 11 months — better | Every 45 months |
| Ads | Yes | — |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 69 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Takeru Yui | Takahiro Miyashita |
In-app purchases
Real
No in-app purchases
勾配電卓
No in-app purchases
